<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
  <div id="app">
    <Wind></Wind>
  </div>
  <template id="cpn">
    <p>{{content}}</p>
  </template>
  <script>
    Vue.component("Wind", {
      template: '#cpn',
      data() {
        return {
          content: "我是组件实例对象的content"
        }
      }
    })

    var vm = new Vue({
      el: '#app',
      data: {
        content: "我是Vue实例对象的content"
      }
    })
  </script>
</body>
</html>